Android: Get rid of extra dup()s on launching child processes

content/browser/file_descriptor_info_impl.h

Index: content/browser/file_descriptor_info_impl.h
diff --git a/content/browser/file_descriptor_info_impl.h b/content/browser/file_descriptor_info_impl.h
index 78d746e22d4942ff6e15a858f3b794e8250b2764..efb83e075871f707d8118857731b83161ce844e0 100644
--- a/content/browser/file_descriptor_info_impl.h
+++ b/content/browser/file_descriptor_info_impl.h
@@ -25,6 +25,8 @@ class FileDescriptorInfoImpl : public FileDescriptorInfo {
   base::PlatformFile GetFDAt(size_t i) const override;
   int GetIDAt(size_t i) const override;
   size_t GetMappingSize() const override;
+  bool OwnsFD(base::PlatformFile file) const override;
+  base::ScopedFD ReleaseFD(base::PlatformFile file) override;
 
  private:
   FileDescriptorInfoImpl();